A Proof of Luttinger Theorem

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A rigorous and simple perturbative proof of Luttinger's theorem is sketched for Fermi liquids in two and three dimensions. It is proved that in the finite volume, the quasi-particle density is independent of the interaction strength. The thermodynamic limit is then controlled to all orders in perturbation theory.
7 pages

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Statistical Mechanics, Strongly Correlated Electrons

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http://salesiana.dossiersoluciones.com/handle/123456789/25921

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/cond-mat/0502577
 http://arxiv.org/abs/cond-mat/0502577
 Europhysics Letters (2005)
 doi:10.1209/epl/i2005-10188-9

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arXiv